Surah Al-Waqi'ah, Ayah 39
Quran 56:39 · The Inevitable · Makki · Para 27 · Page 535
ثُلَّةٌ مِّنَ الْاَوَّلِیْنَ ۟ۙ
Transliteration
Thullatun mina al-awwaleen
Saheeh International
A company of the former peoples
Al-Mukhtasar fi Tafsir
They are a group from the nations of the previous Prophets.
Tafsir Ibn Kathir (abridged)
Explains 56:27–56:40 together — read it on 56:27